цитирую еще раз For registration it was necessary to provide results from a clinical study carried out on only 17 patients with no restrictions and no control group Автор книги утверждает, что на каждую информацию, которая подана в книге у нее есть подтверждающие документы.

- In the spring of 1991, the National Cancer Institute announced that a supply crisis for Taxol existed. There simply was not enough bark available to meet the demand for Taxol for clinical studies, ... In response to the Taxol supply crisis, the Alliance for Taxol agreed to sign a contract to harvest, dry, store, and ultimately deliver 100,000 lbs. of Taxus clippings (wet-weight) to the National Cancer Institute by the summer of 1992. ... Fortunately, the Taxol supply crisis was at least temporarily eased by January 1994http://ohioline.osu.edu/sc150/sc150_1.html то есть имеем проблему с достаточным количество препарата для исследований его